21n+28=21n-16

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Solution for 21n+28=21n-16 equation: 


Simplifying
21n + 28 = 21n + -16

Reorder the terms:
28 + 21n = 21n + -16

Reorder the terms:
28 + 21n = -16 + 21n

Add '-21n' to each side of the equation.
28 + 21n + -21n = -16 + 21n + -21n

Combine like terms: 21n + -21n = 0
28 + 0 = -16 + 21n + -21n
28 = -16 + 21n + -21n

Combine like terms: 21n + -21n = 0
28 = -16 + 0
28 = -16

Solving
28 = -16

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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